package me.hbz.myblog.servlet;



import java.io.IOException;
import java.sql.SQLException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import me.hbz.myblog.dao.ArticleDAO;
import me.hbz.myblog.domain.Article;
import me.hbz.myblog.domain.Page;


@WebServlet("/category.do")
public class CategoryServlet extends HttpServlet {

	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String categoryId = request.getParameter("id");

		// 1.从SiteDAO获取站点信息

		ArticleDAO articleDAO = new ArticleDAO();
		try {
	
			int pageNo = 0;
			String pageNoStr = request.getParameter("page");
			if (pageNoStr != null && !"".equals(pageNoStr)) {
				pageNo = Integer.valueOf(pageNoStr);
			}

			Page<Article> page = articleDAO.findByCategory(Integer.valueOf(categoryId), pageNo);
			
			List<Article> articleBannerList = articleDAO.findFeaturedFirst(4);
			// 2.将站点信息保存到请求域，
			request.setAttribute("page", page);
			request.setAttribute("categoryId", categoryId);
			request.setAttribute("articleBannerList", articleBannerList);
			// 3.请求转发到index.jsp
			request.getRequestDispatcher("/front/category.jsp").forward(request, response);
		} catch (SQLException e) {

			e.printStackTrace();
		}

	}

}
